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<span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://aicdocco/taskstopics/sdk/interrupt/interrupt_design_guide.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">设计说明</h1>
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<div class="date inPage">16 May 2025</div><div style="color: gray;">
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Read time: 4 minute(s)
|
||
</div>
|
||
<div class="- topic/body body">
|
||
<section class="- topic/section section" id="id__id2" data-ofbid="id__id2"><h2 class="- topic/title title sectiontitle">源码说明</h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d138507e33__20250519091520">中断相关 <span class="+ topic/ph sw-d/filepath ph filepath">.c</span> 和 <span class="+ topic/ph sw-d/filepath ph filepath">.h</span> 文件分别位于
|
||
<span class="+ topic/ph sw-d/filepath ph filepath">luban-lite\kernel\common\include\osal\aic_osal_platform_lbl.h</span> 和
|
||
<span class="+ topic/ph sw-d/filepath ph filepath">luban-lite\bsp\artinchip\sys\dxxx\</span> 目录。主要源文件说明如下：</p><div class="table-container"><table class="- topic/table table frame-all" id="id__table_f4b_5cd_bdc" data-ofbid="id__table_f4b_5cd_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 1</span><span class="table--title-label-punctuation">. </span></span><span class="table--title"></span></caption><colgroup><col style="width:35.587188612099645%"/><col style="width:64.41281138790036%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_f4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e62__20250519091520">文件</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_f4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e66__20250519091520">说明</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_f4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e76__20250519091520"><span class="+ topic/ph sw-d/filepath ph filepath">aic_osal_platform_lbl.h</span></p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_f4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e81__20250519091520">aicos 层中断注册 & 使能函数</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_f4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e88__20250519091520"><span class="+ topic/ph sw-d/filepath ph filepath">aic_drv_irq.c</span></p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_f4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e93__20250519091520">drv 层中断的实现</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_f4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e100__20250519091520"><span class="+ topic/ph sw-d/filepath ph filepath">aic_drv_gpio.c</span></p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_f4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e105__20250519091520">drv 层 GPIO 中断的扩展</p></td>
|
||
</tr>
|
||
</tbody></table></div></section>
|
||
<section class="- topic/section section" id="id__id4" data-ofbid="id__id4"><h2 class="- topic/title title sectiontitle">普通中断原理</h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d138507e117__20250519091520">普通中断来说实现的原理较为简单，包括两个核心数组 <span class="+ topic/keyword pr-d/apiname keyword apiname">g_irqvector[]</span> 和
|
||
<span class="+ topic/keyword pr-d/apiname keyword apiname">g_irqdata[]</span> ，分别用来存储中断处理函数的函数指针和附加数据。对应具体操作如下：</p>
|
||
<ul class="- topic/ul ul simple" id="id__ul_g4b_5cd_bdc" data-ofbid="id__ul_g4b_5cd_bdc">
|
||
<li class="- topic/li li" data-ofbid="d138507e128__20250519091520">
|
||
<div class="- topic/p p" data-ofbid="d138507e130__20250519091520"><strong class="+ topic/ph hi-d/b ph b">中断注册</strong>：<ol class="- topic/ol ol" id="id__ol_g4v_cvn_mdc" data-ofbid="id__ol_g4v_cvn_mdc">
|
||
<li class="- topic/li li" data-ofbid="d138507e136__20250519091520">
|
||
<p class="- topic/p p" data-ofbid="d138507e138__20250519091520">用户调用 <span class="+ topic/keyword pr-d/apiname keyword apiname">aicos_request_irq()</span>。</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d138507e145__20250519091520">
|
||
<p class="- topic/p p" data-ofbid="d138507e147__20250519091520">根据中断号将中断处理函数和附加数据存入 <span class="+ topic/keyword pr-d/apiname keyword apiname">g_irqvector[]</span> 和
|
||
<span class="+ topic/keyword pr-d/apiname keyword apiname">g_irqdata[]</span> 数组。</p>
|
||
</li>
|
||
</ol></div>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d138507e159__20250519091520">
|
||
<div class="- topic/p p" data-ofbid="d138507e161__20250519091520"><strong class="+ topic/ph hi-d/b ph b">中断处理</strong>：<ol class="- topic/ol ol" id="id__ol_n1x_y5n_mdc" data-ofbid="id__ol_n1x_y5n_mdc">
|
||
<li class="- topic/li li" data-ofbid="d138507e167__20250519091520">中断发生后，所有中断首先会跳入 <span class="+ topic/keyword pr-d/apiname keyword apiname">Default_IRQHandler()</span>
|
||
通用中断处理函数中。</li>
|
||
<li class="- topic/li li" data-ofbid="d138507e173__20250519091520">根据 <span class="+ topic/keyword pr-d/parmname keyword parmname">MCAUSE</span> 寄存器查询当前的中断号。</li>
|
||
<li class="- topic/li li" data-ofbid="d138507e179__20250519091520">根据中断号在 <span class="+ topic/keyword pr-d/apiname keyword apiname">g_irqvector[]</span> 和 <span class="+ topic/keyword pr-d/apiname keyword apiname">g_irqdata[]</span>
|
||
数组中查询具体的中断处理函数指针和附加数据。</li>
|
||
<li class="- topic/li li" data-ofbid="d138507e188__20250519091520">跳转到具体 ISR 中执行中断。</li>
|
||
</ol></div>
|
||
</li>
|
||
</ul>
|
||
<figure class="- topic/fig fig fignone" id="id__fig_zds_nsl_hdc" data-ofbid="id__fig_zds_nsl_hdc">
|
||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="id__image_h4b_5cd_bdc" src="../../../images/interrupt/int_fw.png" width="576" alt="int_fw"/></div><br/>
|
||
</figure>
|
||
</section>
|
||
<section class="- topic/section section" id="id__gpio" data-ofbid="id__gpio"><h2 class="- topic/title title sectiontitle">GPIO 中断原理</h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d138507e209__20250519091520">在 GPIO 中，一个 Group 只能共享一个中断且一个 Group 最多包含 32 个 Pin。然而，用户要求对每个 Pin 单独注册中断处理函数，因此需要对
|
||
GPIO Pin 二级中断进行特殊处理。这种设计既能实现功能又能让用户零感知。具体中断原理如下：</p>
|
||
<ul class="- topic/ul ul simple" id="id__ul_i4b_5cd_bdc" data-ofbid="id__ul_i4b_5cd_bdc">
|
||
<li class="- topic/li li" data-ofbid="d138507e214__20250519091520">
|
||
<p class="- topic/p p" data-ofbid="d138507e216__20250519091520">扩大 <span class="+ topic/keyword pr-d/apiname keyword apiname">g_irqvector[]</span> 和 <span class="+ topic/keyword pr-d/apiname keyword apiname">g_irqdata[]</span> 数组，让每个 GPIO
|
||
Pin 中断都拥有独立的存放位置，同时保持一级中断和二级中断格式一致。</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d138507e226__20250519091520">
|
||
<p class="- topic/p p" data-ofbid="d138507e228__20250519091520">中断注册。在 RT-Thread 下，使用 <span class="+ topic/keyword pr-d/apiname keyword apiname">rt_pin_attach_irq()</span> 函数注册 GPIO Pin
|
||
中断，且使用 <span class="+ topic/keyword pr-d/apiname keyword apiname">rt_pin_irq_enable()</span> 函数使能 GPIO Pin 中断。</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d138507e238__20250519091520">
|
||
<p class="- topic/p p" data-ofbid="d138507e240__20250519091520">处断处理。GPIO Pin 发生中断后，首先跳转到一级中断处理函数
|
||
<span class="+ topic/keyword pr-d/apiname keyword apiname">drv_gpio_group_irqhandler()</span> 中执行，通过查询发生中断的 Group 和 Pin
|
||
Offset，最终在 <span class="+ topic/keyword pr-d/apiname keyword apiname">g_irqvector[]</span> 和 <span class="+ topic/keyword pr-d/apiname keyword apiname">g_irqdata[]</span>
|
||
数组中查询到具体的中断处理函数指针和附加数据。最后，到具体 ISR 中执行中断。</p>
|
||
</li>
|
||
</ul>
|
||
<figure class="- topic/fig fig fignone" id="id__fig_a2s_nsl_hdc" data-ofbid="id__fig_a2s_nsl_hdc">
|
||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="id__image_j4b_5cd_bdc" src="../../../images/interrupt/gpio_int_ext.png" width="576" alt="gpio_int_ext"/></div><br/>
|
||
</figure>
|
||
</section>
|
||
|
||
|
||
</div>
|
||
<article class="- topic/topic topic nested1" aria-labelledby="ariaid-title2" id="topic_f4m_ksl_hdc">
|
||
<span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://aicdocco/taskstopics/sdk/interrupt/interrupt_design_guide.dita">Edit online</a></span><h2 class="- topic/title title topictitle2" id="ariaid-title2">数据结构设计</h2>
|
||
<div class="- topic/body body">
|
||
<div class="- topic/p p" data-ofbid="d138507e289__20250519091520">中断模块关键结构体定义如下：<div class="- topic/div div"><strong class="+ topic/ph hi-d/b ph b">irq_handler_t/pin_irq_handler_t</strong><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="topic_f4m_ksl_hdc__codeblock_jdm_btj_bdc" data-ofbid="topic_f4m_ksl_hdc__codeblock_jdm_btj_bdc"><strong class="hl-keyword">enum</strong> irqreturn
|
||
{
|
||
IRQ_NONE = (<span class="hl-number">0</span> << <span class="hl-number">0</span>),
|
||
IRQ_HANDLED = (<span class="hl-number">1</span> << <span class="hl-number">0</span>),
|
||
IRQ_WAKE_THREAD = (<span class="hl-number">1</span> << <span class="hl-number">1</span>),
|
||
};
|
||
<strong class="hl-keyword">typedef</strong> <strong class="hl-keyword">enum</strong> irqreturn irqreturn_t;
|
||
<strong class="hl-keyword">typedef</strong> irqreturn_t (*irq_handler_t)(<strong class="hl-keyword">int</strong>, <strong class="hl-keyword">void</strong> *);
|
||
<strong class="hl-keyword">typedef</strong> irqreturn_t (*pin_irq_handler_t)(<strong class="hl-keyword">void</strong> *);</pre></div></div>
|
||
</div>
|
||
</article>
|
||
<article class="- topic/topic topic nested1" aria-labelledby="ariaid-title3" id="topic_vpz_hsl_hdc">
|
||
<span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://aicdocco/taskstopics/sdk/interrupt/interrupt_design_guide.dita">Edit online</a></span><h2 class="- topic/title title topictitle2" id="ariaid-title3">接口设计</h2>
|
||
<div class="- topic/body body">
|
||
<section class="- topic/section section" id="topic_vpz_hsl_hdc__aicos-irq-api" data-ofbid="topic_vpz_hsl_hdc__aicos-irq-api"><h3 class="- topic/title title sectiontitle">AICOS IRQ API</h3>
|
||
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="topic_vpz_hsl_hdc__table_l4b_5cd_bdc" data-ofbid="topic_vpz_hsl_hdc__table_l4b_5cd_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 2</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">aicos_request_irq</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="topic_vpz_hsl_hdc__table_l4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e327__20250519091520">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="topic_vpz_hsl_hdc__table_l4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e331__20250519091520">int aicos_request_irq (unsigned int irq, irq_handler_t
|
||
handler, unsigned int flags, const char *name, void
|
||
*data)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_l4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e341__20250519091520">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_l4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e345__20250519091520">注册中断</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_l4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e352__20250519091520">参数</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_l4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e356__20250519091520">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"><span class="+ topic/keyword pr-d/parmname keyword parmname">irq</span> ：中断号</div>
|
||
<div class="- topic/div div"><span class="+ topic/keyword pr-d/parmname keyword parmname">handler</span> ：中断处理函数</div>
|
||
<div class="- topic/div div"><span class="+ topic/keyword pr-d/parmname keyword parmname">flags</span> ：中断标志</div>
|
||
<div class="- topic/div div"><span class="+ topic/keyword pr-d/parmname keyword parmname">name</span> ：中断号名称</div>
|
||
<div class="- topic/div div"><span class="+ topic/keyword pr-d/parmname keyword parmname">data</span> ：中断附加数据</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_l4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e391__20250519091520">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_l4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e395__20250519091520">操作是否成功 (0=OK, other=Error)</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="topic_vpz_hsl_hdc__table_l4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e402__20250519091520">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="topic_vpz_hsl_hdc__table_l4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e406__20250519091520">- </p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="topic_vpz_hsl_hdc__table_m4b_5cd_bdc" data-ofbid="topic_vpz_hsl_hdc__table_m4b_5cd_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 3</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">aicos_irq_enable</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="topic_vpz_hsl_hdc__table_m4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e429__20250519091520">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="topic_vpz_hsl_hdc__table_m4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e433__20250519091520">void aicos_irq_enable(unsigned int irq)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_m4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e443__20250519091520">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_m4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e447__20250519091520">使能中断</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_m4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e454__20250519091520">参数</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_m4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e458__20250519091520"><span class="+ topic/keyword pr-d/parmname keyword parmname">irq</span> ：中断号</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_m4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e467__20250519091520">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_m4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e471__20250519091520">无</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="topic_vpz_hsl_hdc__table_m4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e478__20250519091520">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="topic_vpz_hsl_hdc__table_m4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e482__20250519091520">- </p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="topic_vpz_hsl_hdc__table_n4b_5cd_bdc" data-ofbid="topic_vpz_hsl_hdc__table_n4b_5cd_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 4</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">aicos_irq_disable</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="topic_vpz_hsl_hdc__table_n4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e505__20250519091520">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="topic_vpz_hsl_hdc__table_n4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e509__20250519091520">void aicos_irq_disable(unsigned int irq)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_n4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e519__20250519091520">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_n4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e523__20250519091520">关闭中断</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_n4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e530__20250519091520">参数</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_n4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e534__20250519091520"><span class="+ topic/keyword pr-d/parmname keyword parmname">irq</span> ：中断号</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_n4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e543__20250519091520">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_n4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e547__20250519091520">无</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="topic_vpz_hsl_hdc__table_n4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e554__20250519091520">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="topic_vpz_hsl_hdc__table_n4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e558__20250519091520">- </p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="topic_vpz_hsl_hdc__table_o4b_5cd_bdc" data-ofbid="topic_vpz_hsl_hdc__table_o4b_5cd_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 5</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">aicos_local_irq_enable</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="topic_vpz_hsl_hdc__table_o4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e581__20250519091520">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="topic_vpz_hsl_hdc__table_o4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e585__20250519091520">void aicos_local_irq_enable(void)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_o4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e595__20250519091520">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_o4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e599__20250519091520">使能 CPU 全局中断中断</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_o4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e606__20250519091520">参数</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_o4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e610__20250519091520">无</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_o4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e617__20250519091520">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_o4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e621__20250519091520">无</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="topic_vpz_hsl_hdc__table_o4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e628__20250519091520">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="topic_vpz_hsl_hdc__table_o4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e632__20250519091520">-</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="topic_vpz_hsl_hdc__table_p4b_5cd_bdc" data-ofbid="topic_vpz_hsl_hdc__table_p4b_5cd_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 6</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">aicos_local_irq_disable</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="topic_vpz_hsl_hdc__table_p4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e656__20250519091520">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="topic_vpz_hsl_hdc__table_p4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e660__20250519091520">void aicos_local_irq_disable(void)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_p4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e670__20250519091520">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_p4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e674__20250519091520">关闭 CPU 全局中断中断</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_p4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e681__20250519091520">参数</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_p4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e685__20250519091520">无</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_p4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e692__20250519091520">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_p4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e696__20250519091520">无</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="topic_vpz_hsl_hdc__table_p4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e703__20250519091520">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="topic_vpz_hsl_hdc__table_p4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e707__20250519091520">-</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="topic_vpz_hsl_hdc__table_q4b_5cd_bdc" data-ofbid="topic_vpz_hsl_hdc__table_q4b_5cd_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 7</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">aicos_irq_set_prio</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="topic_vpz_hsl_hdc__table_q4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e730__20250519091520">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="topic_vpz_hsl_hdc__table_q4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e734__20250519091520">void aicos_irq_set_prio(unsigned int irq, unsigned int
|
||
priority)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_q4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e744__20250519091520">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_q4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e748__20250519091520">设置中断优先级</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_q4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e755__20250519091520">参数</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_q4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e759__20250519091520">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div"><span class="+ topic/keyword pr-d/parmname keyword parmname">irq</span> ：中断号</div>
|
||
<div class="- topic/div div"><span class="+ topic/keyword pr-d/parmname keyword parmname">priority</span> ：中断优先级</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_q4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e779__20250519091520">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_q4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e783__20250519091520">无</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="topic_vpz_hsl_hdc__table_q4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e790__20250519091520">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="topic_vpz_hsl_hdc__table_q4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e794__20250519091520">- </p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="topic_vpz_hsl_hdc__table_r4b_5cd_bdc" data-ofbid="topic_vpz_hsl_hdc__table_r4b_5cd_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 8</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">aicos_irq_get_prio</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="topic_vpz_hsl_hdc__table_r4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e817__20250519091520">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="topic_vpz_hsl_hdc__table_r4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e821__20250519091520">unsigned int aicos_irq_get_prio(unsigned int irq)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_r4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e831__20250519091520">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_r4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e835__20250519091520">获取中断优先级</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_r4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e842__20250519091520">参数</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_r4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e846__20250519091520"><span class="+ topic/keyword pr-d/parmname keyword parmname">irq</span> ：中断号</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_r4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e855__20250519091520">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_r4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e859__20250519091520">中断优先级</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="topic_vpz_hsl_hdc__table_r4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e866__20250519091520">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="topic_vpz_hsl_hdc__table_r4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e870__20250519091520">- </p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="topic_vpz_hsl_hdc__table_s4b_5cd_bdc" data-ofbid="topic_vpz_hsl_hdc__table_s4b_5cd_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 9</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">aicos_irq_set_threshold</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="topic_vpz_hsl_hdc__table_s4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e893__20250519091520">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="topic_vpz_hsl_hdc__table_s4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e897__20250519091520">void aicos_irq_set_threshold(unsigned int threshold)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_s4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e907__20250519091520">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_s4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e911__20250519091520">设置中断优先级门限，大于该优先级的中断才会被响应</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_s4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e918__20250519091520">参数</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_s4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e922__20250519091520">无</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_s4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e929__20250519091520">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_s4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e933__20250519091520">无</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="topic_vpz_hsl_hdc__table_s4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e940__20250519091520">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="topic_vpz_hsl_hdc__table_s4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e944__20250519091520">- </p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="topic_vpz_hsl_hdc__table_t4b_5cd_bdc" data-ofbid="topic_vpz_hsl_hdc__table_t4b_5cd_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 10</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">aicos_irq_get_threshold</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="topic_vpz_hsl_hdc__table_t4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e967__20250519091520">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="topic_vpz_hsl_hdc__table_t4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e971__20250519091520">unsigned int aicos_irq_get_threshold(void)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_t4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e981__20250519091520">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_t4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e985__20250519091520">获取中断优先级门限</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_t4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e992__20250519091520">参数</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_t4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e996__20250519091520">无</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_t4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e1003__20250519091520">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_t4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e1007__20250519091520">中断优先级门限</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="topic_vpz_hsl_hdc__table_t4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e1014__20250519091520">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="topic_vpz_hsl_hdc__table_t4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e1018__20250519091520">-</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
</section>
|
||
<section class="- topic/section section" id="topic_vpz_hsl_hdc__rtt-gpio-irq-api" data-ofbid="topic_vpz_hsl_hdc__rtt-gpio-irq-api"><h3 class="- topic/title title sectiontitle">RTT GPIO IRQ API</h3>
|
||
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="topic_vpz_hsl_hdc__table_u4b_5cd_bdc" data-ofbid="topic_vpz_hsl_hdc__table_u4b_5cd_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 11</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">rt_pin_attach_irq</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="topic_vpz_hsl_hdc__table_u4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e1047__20250519091520">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="topic_vpz_hsl_hdc__table_u4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e1051__20250519091520">rt_err_t rt_pin_attach_irq (rt_int32_t pin, rt_uint32_t mode,
|
||
void (*hdr)(void *args), void *args)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_u4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e1061__20250519091520">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_u4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e1065__20250519091520">注册 GPIO pin 中断</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_u4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e1072__20250519091520">参数</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_u4b_5cd_bdc__entry__2"><div class="- topic/p p" data-ofbid="d138507e1076__20250519091520">
|
||
<div class="- topic/div div">
|
||
<p class="- topic/p p" data-ofbid="d138507e1080__20250519091520"><span class="+ topic/keyword pr-d/parmname keyword parmname">pin</span> ：pin 管脚编号</p>
|
||
<p class="- topic/p p" data-ofbid="d138507e1085__20250519091520"><span class="+ topic/keyword pr-d/parmname keyword parmname">mode</span> ：pin 中断模式，上升下降沿、高低电平</p>
|
||
<p class="- topic/p p" data-ofbid="d138507e1090__20250519091520"><span class="+ topic/keyword pr-d/parmname keyword parmname">hdr</span> ：pin 中断处理函数</p>
|
||
<p class="- topic/p p" data-ofbid="d138507e1095__20250519091520"><span class="+ topic/keyword pr-d/parmname keyword parmname">args</span> ：pin 中断附加数据</p>
|
||
</div>
|
||
</div></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_u4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e1106__20250519091520">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_u4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e1110__20250519091520">操作是否成功 (0=OK, other=Error)</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="topic_vpz_hsl_hdc__table_u4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e1117__20250519091520">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="topic_vpz_hsl_hdc__table_u4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e1121__20250519091520">-</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="topic_vpz_hsl_hdc__table_v4b_5cd_bdc" data-ofbid="topic_vpz_hsl_hdc__table_v4b_5cd_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 12</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">rt_pin_detach_irq</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="topic_vpz_hsl_hdc__table_v4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e1144__20250519091520">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="topic_vpz_hsl_hdc__table_v4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e1148__20250519091520">rt_err_t rt_pin_detach_irq(rt_int32_t pin)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_v4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e1158__20250519091520">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_v4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e1162__20250519091520">注销 GPIO pin 中断</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_v4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e1169__20250519091520">参数</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_v4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e1173__20250519091520"><span class="+ topic/keyword pr-d/parmname keyword parmname">pin</span> ：pin 管脚编号</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_v4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e1182__20250519091520">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_v4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e1186__20250519091520">操作是否成功 (0=OK, other=Error)</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="topic_vpz_hsl_hdc__table_v4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e1193__20250519091520">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="topic_vpz_hsl_hdc__table_v4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e1197__20250519091520">-</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="topic_vpz_hsl_hdc__table_w4b_5cd_bdc" data-ofbid="topic_vpz_hsl_hdc__table_w4b_5cd_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 13</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">rt_pin_irq_enable</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="topic_vpz_hsl_hdc__table_w4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e1220__20250519091520">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="topic_vpz_hsl_hdc__table_w4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e1224__20250519091520">rt_err_t rt_pin_irq_enable(rt_base_t pin, rt_uint32_t
|
||
enabled)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_w4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e1234__20250519091520">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_w4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e1238__20250519091520">使能/关闭 GPIO pin 中断</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_w4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e1245__20250519091520">参数</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_w4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e1249__20250519091520">
|
||
<div class="- topic/div div"><span class="+ topic/keyword pr-d/parmname keyword parmname">pin</span> ：pin 管脚编号</div>
|
||
<div class="- topic/div div"><span class="+ topic/keyword pr-d/parmname keyword parmname">enabled</span> ：使能/关闭</div>
|
||
</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="topic_vpz_hsl_hdc__table_w4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e1266__20250519091520">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="topic_vpz_hsl_hdc__table_w4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e1270__20250519091520">操作是否成功 (0=OK, other=Error)</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="topic_vpz_hsl_hdc__table_w4b_5cd_bdc__entry__1"><p class="- topic/p p" data-ofbid="d138507e1277__20250519091520">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="topic_vpz_hsl_hdc__table_w4b_5cd_bdc__entry__2"><p class="- topic/p p" data-ofbid="d138507e1281__20250519091520">-</p></td>
|
||
</tr>
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</tbody></table></div>
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<div class=" wh_topic_toc "><div class="wh_topic_label">在本页上</div><ul><li class="section-item"><div class="section-title"><a href="#id__id2" data-tocid="id__id2">源码说明</a></div></li><li class="section-item"><div class="section-title"><a href="#id__id4" data-tocid="id__id4">普通中断原理</a></div></li><li class="section-item"><div class="section-title"><a href="#id__gpio" data-tocid="id__gpio">GPIO 中断原理</a></div></li><li class="topic-item"><a href="#topic_f4m_ksl_hdc" data-tocid="topic_f4m_ksl_hdc">数据结构设计</a></li><li class="topic-item"><a href="#topic_vpz_hsl_hdc" data-tocid="topic_vpz_hsl_hdc">接口设计</a><ul><li class="section-item"><div class="section-title"><a href="#topic_vpz_hsl_hdc__aicos-irq-api" data-tocid="topic_vpz_hsl_hdc__aicos-irq-api">AICOS IRQ API</a></div></li><li class="section-item"><div class="section-title"><a href="#topic_vpz_hsl_hdc__rtt-gpio-irq-api" data-tocid="topic_vpz_hsl_hdc__rtt-gpio-irq-api">RTT GPIO IRQ API</a></div></li></ul></li></ul></div>
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